Russian strikes have killed at least 14 people in Ukraine, local authorities have said, after Moscow rained missiles and drones on its neighbour in overnight attacks.

NATO chief Mark Rutte and Kyiv's top allies have vowed they would not lose sight of Ukraine's conflict with Russia and called on others to urgently boost their support for the country.

Russian strikes have killed at least 16 people in Ukraine, local authorities have said, after Moscow rained missiles and drones on its neighbour in overnight attacks.

Russian shelling destroyed children's sports facility and an administrative building in the center of Slovyansk in the Donetsk region, as Moscow launched hundred of drones on Ukrainian regions.

Russia launched over 300 drones and missiles at Ukraine, causing injuries and significant damage to infrastructure overnight.

Meanwhile, a Ukrainian drone attack killed two children in Russia, officials say.

Meanwhile, a Ukrainian drone attack killed two children in Russia, officials say.

Ukraine's allies pledge massive military aid including 120,000 U.K. drones as Russia launches 324 drones and ballistic missiles, officials report.

Ukraine's allies pledge massive military aid including 120,000 U.K. drones as Russia launches 324 drones and ballistic missiles, officials report.

Russia fired hundreds of drones and missiles at Kyiv, Dnipro, and other Ukrainian cities, killing at least 15 people across the country in one of the largest bombardments in months.